Well, yes it does. A group member here was making them not too log ago. They look similar to the S-meter calibrator listed but with fewer parts.
On Mon, 19 Aug 2024 01:43:43 -0700
"Jim Allyn - N7JA via groups.io" <jim@...> wrote:
Or Short Vertical (Whip) Antenna Matcher (which apparently does not exist).
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73
-Jim
NU0C
Jim Shorney